RARA ELECTRONICS COMPANY-IRV/IRH Specifications

LR ULTRA LOW OHMIC VALUE
METAL STRIP CHIP RESISTORS

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-Low TCR ±100ppm; Resistance values from 1mΩ to 10mΩ
-High power dissipation
-Low inductance
-NB (For power management). MB (For power management)
-SWPS (DC-DC converter, charger, adaptor)
-Monitor (For power management)

GENERAL SPECIFICATIONS

Type	Power Rating [W]	Resistance [milliohms]	TCR [ppm/C]	Operating Temp	Tolerance
LR06	1	1.0-10.0	50	-55C-170C	F[+-1] G[+-3] J[+-5]
LR10	1.5	1.0-10.0	50
LR12	1	2.5-3.0	150
		4.0-5.0	100
		6.0-7.0	75
		11-15	50
		1.0-10.0	50
LR12 (High Power)	2	0.5-2.0	50
	2	7.0-10.0	50
	2.5	4.0-6.0	50
	3	0.5-0.75	100
		1.0-2.0	50
		3.0	50

CHARACTERISTICS Values in [ ] mean change in ohmic value after test

Item	Specification
Item	Black Coating	Green Coating
Temperature Coefficient of Resistance	As per specs		MIL-STD-202, Method304; +25/-55/+125/+25C
Thermal Shock	+-0.5%	+-1%	MIL-STD-202, Method 107G : -55C to +150C , 100 cycles
Short Time Overload	+-0.5%		JIS-C-5202-5.5: RCWV X 2.5 or Max Overloading Voltage,5sec
Resistance to Dry Heat	+-1%		JIS-C-5202-7.2: 96hrs. @ +125C without load
Load Life	+-1%		MIL-STD-202 M108: RCWV,70C ,1.5hr.ON, 0.5hr.OFF 1K to 1048hr
Resistance to Soldering heat	+-0.5%		MIL-STD-202F-Method210E: 260 ±5C , 10±1sec
Soldering Ability	[95%min coverage] MIL-STD-202F-Method210E: 260 ±5 C , 2±0.5sec

DIMENSIONS

Type	Resistance [milliohms]	L	W	T	D
LR06	1.0-10.0	3.20+-0.25	1.60+-0.10	0.60+-0.20	0.98+-0.38
LR10	1.0-10.0	5.08+-0.25	2.54+-0.15	0.60+-0.20	1.67+-0.63
LR12	0.50-0.75	6.35+-0.25	3.18+-0.35	1.00+-0.20	1.93+-0.75
LR12	1.0-22		3.18+-0.35	0.60+-0.20	1.93+-0.75
LR12	0.5		3.18+-0.25	1.40+-0.20	1.30+-0.30
LR12	0.75			1.00+-0.20
LR12	1.00			0.80+-0.20
LR12	1.50			0.65+-0.20
LR12	2.00			0.50+-0.20
LR12	2.50			1.00+-0.20
LR12	3.00			0.70+-0.20
LR12	3.50			0.41+-0.20
LR12	4.00			0.60+-0.20
LR12	4.50			0.58+-0.20
LR12	5.00			0.50+-0.20
LR12	5.50			0.47+-0.20
LR12	6.00			0.50+-0.20
LR12	6.50			0.47+-0.20
LR12	7.00			0.45+-0.20
LR12	10.0	6.35+-0.35	3.20+-0.25	0.80+-0.15	1.90+-0.15

EMBOSSED PLASTIC TAP7.00E SPECIFICATIONS

Size	Resistance	A	B	W	E	F
LR10	1-10	2.85+-0.1	5.55+-0.1	12.0+-0.2	1.75+-0.1	5.5+-0.05
LR12	0.50	3.40+-0.1	6.70+-0.1	12.0+-0.1	1.75+-0.1	5.5+-0.05
	0.75	3.50+-0.1	6.80+-0.1	12.0+-0.1	1.75+-0.1	5.5+-0.05
	1-22	3.40+-0.1	6.70+-0.1	12.0+-0.1	1.75+-0.1	5.5+-0.05

Size	Resistance	P0	P1	P2	ØD0	T
LR10	1-10	4.0+-0.1	4.0+-0.1	2.0+-0.05	1.50+-0.1	0.85+-0.1
LR12	0.50	4.0+-0.05	4.0+-0.1	2.0+-0.05	1.50+-0.1	1.40+-0.1
	0.75	4.0+-0.05	4.0+-0.1	2.0+-0.05	1.50+-0.1	1.35+-0.1
	1-22	4.0+-0.05	4.0+-0.1	2.0+-0.05	1.50+-0.1	0.80+-0.1

REEL SPECIFICATIONS

Model	Dimensions [mm]					Embossed Plastic Tape [pcs.]
	ØA	ØB	ØC	W	T
LR12	180 +0 -3	180 +1 -0	13.0+-1.0	9.0+-0.5	11.4+-1.0	2000
						2000

ORDERING PROCEDURE EXAMPLE